How To Fix CNV20305613 - Problem in routine CNV_20305_REFDOCNR: Unknown type (REFDOCCT)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 613

• Message text: Problem in routine CNV_20305_REFDOCNR: Unknown type (REFDOCCT)

What causes this issue?

Routine CNV_20305_REFDOCNR converts a field based on the type in field
REFDOCCT.
An unknown type occurred during the conversion: &V1&.
Additional information: The value of the field that is meant to be
converted is &V2&.

System Response

The routine cannot convert the current field.
However the conversion is continued for the other fields and records.

How to fix this error?

An analysis is required to find out how the routine should react to the
unknown type; if necessary, the routine must be changed accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305613 - Problem in routine CNV_20305_REFDOCNR: Unknown type (REFDOCCT) ?

  The SAP error message CNV20305613, which indicates a problem in the routine CNV_20305_REFDOCNR due to an "Unknown type (REFDOCCT)," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  Data Type Mismatch: The error suggests that the routine is encountering a reference document type (REFDOCCT) that it does not recognize. This could be due to a missing or incorrectly defined data type in the migration settings or mapping.
  Configuration Issues: There may be configuration issues in the source or target system that lead to the system not recognizing the document type.
  Custom Development: If there are custom developments or enhancements in the system, they might not be properly integrated with the migration routines.
  
  Solution:
  
  Check Data Mapping: Review the data mapping settings in the migration cockpit or the relevant migration tool. Ensure that all document types are correctly defined and mapped.
  Update Migration Objects: If you are using a custom migration object, ensure that it is updated to include the REFDOCCT type. You may need to modify the migration object to handle this type correctly.
  Review Configuration: Check the configuration settings in both the source and target systems to ensure that all necessary document types are defined and active.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be notes or guidelines regarding the handling of document types.
  SAP Notes: Search for relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Debugging: If you have access to the development environment, consider debugging the routine CNV_20305_REFDOCNR to identify where the error occurs and why the type is not recognized.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.